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It was on July 4, 1776, that the United States became independent.
Because of the injury, George couldn't do any exercise for a whole month.
Many people are waiting for the bus to the zoo.
The house was such a mess that I couldn't invite anyone in.
My mom had me pack all the clothes I needed for my trip.
@k 請問為什麼need要過去式啊?🤔為什麼不是I would need 或是I will need?😅